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    Title: Security and Efficiency Enhancement of Robust ID based Mutual Authentication and Key Agreement Scheme Preserving User Anonymity in Mobile Networks
    Authors: 李正吉;Lee, Cheng-Chi
    Contributors: 光電與通訊學系
    Date: 2018-01
    Issue Date: 2018-08-20 09:45:53 (UTC+8)
    Abstract: Abstract. With the rapid development of wireless communication technologies,
    mobile networks will enable users to use personal mobile devices
    to access various network information services at anytime and anyplace.
    Recently, Lu et al. proposed a dynamic ID based mutual authentication
    and key agreement scheme using elliptic curve cryptography (ECC)
    which attempts to support better security properties and resists various
    well-known security attacks. However, we introduce some design flaws
    in Lu et al.’s scheme, such as server impersonation attacks by launching
    stolen-verifier attacks. Besides, their authentication scheme is unable to
    preserver user anonymity and the performance of authentication and key
    agreement phase is inefficiency. As a remedy, the main contribution of
    this study is to design an improved and efficient ECC-based authentication
    scheme with privacy protection. We analyze its security and performance,
    proving that our improved scheme not only prevents security
    weaknesses on Lu et al.’s scheme, but also enhances system efficiency
    such that it can be implemented to more electronic applications in mobile
    communication networks.

    Keywords: Elliptic curve cryptography; Key agreement; Mobile networks;
    Mutual authentication; User anonymity.
    Appears in Collections:[Department of Biomedical informatics  ] Journal Article

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